May weather forecastEffingham, NH
May
Weather in May
The last month of the spring, May, is a refreshing month in Effingham, New Hampshire, with an average temperature fluctuating between 44.1°F (6.7°C) and 63.9°F (17.7°C).Temperature
Effingham's transition into May is marked by a rise in the average high-temperature, advancing from a cool 51.3°F (10.7°C) in April to a refreshing 63.9°F (17.7°C). Throughout May, Effingham records an average temperature of 44.1°F (6.7°C) at night.Humidity
In May, the average relative humidity is 78%.Rainfall
In May, the rain falls for 14.8 days. Throughout May, 2.24" (57mm) of precipitation is accumulated. In Effingham, during the entire year, the rain falls for 138 days and collects up to 30.08" (764mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, Effingham aggregates 0.43" (11mm) of snow. Throughout the year, there are 48.9 snowfall days, and 38.15" (969mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 45min.On the first day of the month, sunrise is at 5:34 am and sunset at 7:47 pm. On the last day of May, sunrise is at 5:04 am and sunset at 8:18 pm EDT.
Sunshine
In Effingham, the average sunshine in May is 7.7h.UV index
In May, the average daily maximum UV index in Effingham is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during May leads to these instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Effingham, NH
- Average high temperature in May: 63.9°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in May: 44.1°F
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).
Average pressure in May
Effingham, NH
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Effingham, NH
- Average wind speed in May: 6mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in May
Effingham, NH
- Average humidity in May: 78%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April and November (77%).
Average rainfall in May
Effingham, NH
- Average rainfall in May: 2.24"
The wettest month (with the highest rainfall) is October (3.31").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in May
Effingham, NH
- Average rainfall days in May: 14.8 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in May
Effingham, NH
- Average snowfall in May: 0.43"
The month with the highest snowfall is February (9.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Effingham, NH
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is February (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Effingham, NH
- Average daylight in May: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 7h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in May
Effingham, NH
- Average sunshine days in May: 14.7 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in May
Effingham, NH
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in May
Effingham, NH
- Average cloud cover in May: 50
The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in May
Effingham, NH
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
